diff --git a/src/driver/exception.hpp b/src/driver/exception.hpp
index e5fb191..16689e0 100644
--- a/src/driver/exception.hpp
+++ b/src/driver/exception.hpp
@@ -17,9 +17,14 @@ namespace std
 	class exception
 	{
 	public:
+		exception() = default;
+
 		exception& operator=(const exception& obj) noexcept = default;
 		exception& operator=(exception&& obj) noexcept = default;
 
+		exception(const exception& obj) noexcept = default;
+		exception(exception&& obj) noexcept = default;
+
 		virtual ~exception() = default;
 		virtual const char* what() const noexcept = 0;
 	};